package com.zz.math;

public class Offer13 {
    public int jumpFloor(int n) {
        if (n <= 0) {
            return 0;
        }else if(n == 1){
            return 1;
        }else if(n == 2){
            return 2;
        }else{
            return jumpFloor(n - 1) + jumpFloor(n - 2);
        }
    }
}
